Weather WorldOlson Park, IL Weather Forecast
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Olson Park Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | | | | | | | |  |  |  |
| Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Cloudy |
| Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 29°FLo: -2°C | Hi: 50°FHi: 10°C | Lo: 29°FLo: -2°C | Hi: 55°FHi: 13°C | Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 756 PM CST Fri Nov 13 2026 
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Issued: 536 PM CST Fri Nov 13 2026
Key Messages
- Lake effect rain showers will continue into the day Saturday before ending Saturday afternoon. Showers may mix with or briefly change to wet snow this evening in spots, but no accumulations are expected.
- Seasonably cool temperatures are expected through the weekend with a gradual warming trend back to above average by the middle and end of next week.
Discussion
... Issued at 123 PM CST Fri Nov 13 2026
Single band of lake effect showers stretches down the full length of Lake Michigan ear...